.concern_root{
    background-color: #f2f2f2;

    .concern_main{
        margin: 0px auto;
        width: 982px;
        height: 700px;
        background-color: #fff;
        border: 1px solid lightgray;
        border-bottom: none;
    }
    .concern_bgc{
        width: 902px;
        height: 414px;
        margin: 0 auto 0;
        margin-top: 70px;
        background: url('../../../assets/img/bg_notlogin.jpg');
        background-position: 45px 0px;
        position: relative;
        a{
            width: 157px;
            position: absolute;
            bottom: 106px;
            right: 165px;
            height: 48px;
            display: block;
            text-align: center;
            border-radius: 5px;
        }
        a:hover{
            cursor: pointer;
            background-color: #fff;
            opacity: .2;
        }
    }
}